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Finding the Fourth Proportional to 365,640.51, 548,645.28 and 165,833.46

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Solution

The fourth proportional to 365,640.51, 548,645.28 and 165,833.46 is: 248,833.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,640.51 : 548,645.28 = 165,833.46 : x
  2. Step 2: Convert to fraction form
    365,640.51/548,645.28 = 165,833.46/x
  3. Step 3: Cross multiply
    365,640.51x = 548,645.28 × 165,833.46
  4. Step 4: Simplify right side
    365,640.51x = 90,983,745,095.07
  5. Step 5: Solve for x
    x = 90,983,745,095.07/365,640.51
  6. Step 6: Final answer
    x = 248,833.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.